Other tags that relate to More Plant Spaces
Multiplication & division. Recording mathematics. Investigations. Addition & subtraction. Venn diagrams. Working systematically. Games. Factors and multiples. Combinations. Place value.There are 91 results
Broad Topics > The Number System and Place Value > Place value
Multiply Multiples 1
Age 7 to 11
Challenge Level
Can you complete this calculation by filling in the missing numbers? In how many different ways can you do it?
Multiply Multiples 2
Age 7 to 11
Challenge Level
Can you work out some different ways to balance this equation?
Multiply Multiples 3
Age 7 to 11
Challenge Level
Have a go at balancing this equation. Can you find different ways of doing it?
Trebling
Age 7 to 11
Challenge Level
Can you replace the letters with numbers? Is there only one solution in each case?
Place Value as a Building Block for Developing Fluency in the Calculation Process
Age 5 to 11
This article for primary teachers encourages exploration of two fundamental ideas, exchange and 'unitising', which will help children become more fluent when calculating.
One Million to Seven
Age 7 to 11
Challenge Level
Start by putting one million (1 000 000) into the display of your calculator. Can you reduce this to 7 using just the 7 key and add, subtract, multiply, divide and equals as many times as you like?
Being Resilient - Primary Number
Age 5 to 11
Challenge Level
Number problems at primary level that may require resilience.
Being Resourceful - Primary Number
Age 5 to 11
Challenge Level
Number problems at primary level that require careful consideration.
Round the Three Dice
Age 7 to 11
Challenge Level
What happens when you round these three-digit numbers to the nearest 100?
Alien Counting
Age 7 to 11
Challenge Level
Investigate the different ways these aliens count in this challenge. You could start by thinking about how each of them would write our number 7.
Napier's Bones
Age 7 to 11
Challenge Level
The Scot, John Napier, invented these strips about 400 years ago to help calculate multiplication and division. Can you work out how to use Napier's bones to find the answer to these multiplications?
Spell by Numbers
Age 7 to 11
Challenge Level
Can you substitute numbers for the letters in these sums?
All the Digits
Age 7 to 11
Challenge Level
This multiplication uses each of the digits 0 - 9 once and once only. Using the information given, can you replace the stars in the calculation with figures?
ABC
Age 7 to 11
Challenge Level
In the multiplication calculation, some of the digits have been replaced by letters and others by asterisks. Can you reconstruct the original multiplication?
Six Is the Sum
Age 7 to 11
Challenge Level
What do the digits in the number fifteen add up to? How many other numbers have digits with the same total but no zeros?
Being Curious - Primary Number
Age 5 to 11
Challenge Level
Number problems for inquiring primary learners.
Nice or Nasty
Age 7 to 14
Challenge Level
There are nasty versions of this dice game but we'll start with the nice ones...
Round the Dice Decimals 2
Age 7 to 11
Challenge Level
What happens when you round these numbers to the nearest whole number?
Read This Page
Age 11 to 14
Challenge Level
Replace the letters with numbers to make the addition work out correctly. R E A D + T H I S = P A G E
Add to 200
Age 11 to 14
Challenge Level
By selecting digits for an addition grid, what targets can you make?
Oddly
Age 7 to 11
Challenge Level
Find the sum of all three-digit numbers each of whose digits is odd.
Being Collaborative - Primary Number
Age 5 to 11
Challenge Level
Number problems at primary level to work on with others.
Two and Two
Age 11 to 16
Challenge Level
How many solutions can you find to this sum? Each of the different letters stands for a different number.
Cayley
Age 11 to 14
Challenge Level
The letters in the following addition sum represent the digits 1 ... 9. If A=3 and D=2, what number is represented by "CAYLEY"?
Less Is More
Age 5 to 11
Challenge Level
Use your knowledge of place value to try to win this game. How will you maximise your score?
Football Sum
Age 11 to 14
Challenge Level
Find the values of the nine letters in the sum: FOOT + BALL = GAME
Which Is Quicker?
Age 7 to 11
Challenge Level
Which is quicker, counting up to 30 in ones or counting up to 300 in tens? Why?
Digit Addition
Age 5 to 11
Challenge Level
Try out this number trick. What happens with different starting numbers? What do you notice?
Round the Dice Decimals 1
Age 7 to 11
Challenge Level
Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?
How Can I Support the Development of Early Number Sense and Place Value?
Age 3 to 11
This article for primary teachers expands on the key ideas which underpin early number sense and place value, and suggests activities to support learners as they get to grips with these ideas.
Calculator Bingo
Age 7 to 11
Challenge Level
This is a game for two players. What must you subtract to remove the rolled digit from your number? The first to zero wins!
Lesser Digits
Age 11 to 14
Challenge Level
How many positive integers less than or equal to 4000 can be written down without using the digits 7, 8 or 9?
Number Sense and Place Value
Age 5 to 11
This feature aims to support you in developing children's early number sense and understanding of place value.
Dicey Operations in Line for Two
Age 7 to 11
Challenge Level
Dicey Operations for an adult and child. Can you get close to 1000 than your partner?
Reach 100
Age 7 to 14
Challenge Level
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
Nice or Nasty for Two
Age 7 to 14
Challenge Level
Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your opponent.
Subtraction Surprise
Age 7 to 14
Challenge Level
Try out some calculations. Are you surprised by the results?
Song Book
Age 7 to 11
Challenge Level
A school song book contains 700 songs. The numbers of the songs are displayed by combining special small single-digit cards. What is the minimum number of small cards that is needed?
Please Explain
Age 11 to 14
Challenge Level
Visitors to Earth from the distant planet of Zub-Zorna were amazed when they found out that when the digits in this multiplication were reversed, the answer was the same! Find a way to explain. . . .
Journeys on the Gattegno Tens Chart
Age 5 to 11
Alf describes how the Gattegno chart helped a class of 7-9 year olds gain an awareness of place value and of the inverse relationship between multiplication and division.
Activities on the Gattegno Chart
Age 5 to 11
In this article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.
Place Value: the Ten-ness of Ten
Age 3 to 11
This article develops the idea of 'ten-ness' as an important element of place value.
Position
Age 5 to 11
One of the key ideas associated with place value is that the position of a digit affects its value. These activities support children in understanding this idea.
Amount
Age 5 to 11
These tasks will help learners develop their understanding of place value, particularly giving them opportunities to express numbers as amounts.
Forwards Add Backwards
Age 11 to 14
Challenge Level
What happens when you add a three digit number to its reverse?
Dicey Operations
Age 11 to 14
Challenge Level
Who said that adding, subtracting, multiplying and dividing couldn't be fun?
More Upper Primary Activities on Number Sense and Place Value
Age 7 to 11
More upper primary number sense and place value tasks.
NRICH is part of the family of activities in the Millennium Mathematics Project.